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17O(p, ) 14N study at the LUNA accelerator.

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Title: 17O(p, ) 14N study at the LUNA accelerator.
Authors: Scott, D.A.1, Bruno, C.2, Caciolli, A.3,4 caciolli@pd.infn.it
Source: Nuclear Instruments & Methods in Physics Research Section A. Aug2013, Vol. 718, p481-482. 2p.
Subjects: Hydrogen, Nucleosynthesis, Asymptotic giant branch stars, Electron accelerators, Chemical reactions, Astrophysics, Aluminum foil
Abstract: Abstract: Hydrogen burning of 17O sensitively influences nucleosynthesis in a number of stellar sites, including red giants, asymptotic giant branch (AGB) stars, massive stars, and classical novae. In particular, the ratio between reaction rates of 17O(p, ) 14N (Q=1.2MeV) and 17O(p, ) 18F (Q=5.6MeV) channels on 17O is one of the most important parameters for the galactic synthesis of 17O, the stellar production of radioactive 18F, and for predicted O isotopic ratios in premolar grains. Now the LUNA collaboration is preparing a new effort to study the (p, ) channel on 17O at astrophysical energies. To reach this goal a new chamber has been constructed which allows to place 8 silicons detectors in backward directions. The setup improves the efficiency which is a crucial parameter in measuring nuclear reaction at such low energies. Aluminum foils are placed on the silicon in order to stop the elastic backscattered protons which otherwise produce non-negligible background on the silicons. [Copyright &y& Elsevier]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: <superscript>17</superscript>O(p, ) <superscript>14</superscript>N study at the LUNA accelerator.
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  Data: <searchLink fieldCode="DE" term="%22Hydrogen%22">Hydrogen</searchLink><br /><searchLink fieldCode="DE" term="%22Nucleosynthesis%22">Nucleosynthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Asymptotic+giant+branch+stars%22">Asymptotic giant branch stars</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+accelerators%22">Electron accelerators</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+reactions%22">Chemical reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Astrophysics%22">Astrophysics</searchLink><br /><searchLink fieldCode="DE" term="%22Aluminum+foil%22">Aluminum foil</searchLink>
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  Data: Abstract: Hydrogen burning of 17O sensitively influences nucleosynthesis in a number of stellar sites, including red giants, asymptotic giant branch (AGB) stars, massive stars, and classical novae. In particular, the ratio between reaction rates of 17O(p, ) 14N (Q=1.2MeV) and 17O(p, ) 18F (Q=5.6MeV) channels on 17O is one of the most important parameters for the galactic synthesis of 17O, the stellar production of radioactive 18F, and for predicted O isotopic ratios in premolar grains. Now the LUNA collaboration is preparing a new effort to study the (p, ) channel on 17O at astrophysical energies. To reach this goal a new chamber has been constructed which allows to place 8 silicons detectors in backward directions. The setup improves the efficiency which is a crucial parameter in measuring nuclear reaction at such low energies. Aluminum foils are placed on the silicon in order to stop the elastic backscattered protons which otherwise produce non-negligible background on the silicons. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.nima.2012.11.079
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        Text: English
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        Type: general
      – SubjectFull: Nucleosynthesis
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      – SubjectFull: Asymptotic giant branch stars
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      – SubjectFull: Electron accelerators
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      – SubjectFull: Aluminum foil
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      – TitleFull: 17O(p, ) 14N study at the LUNA accelerator.
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              Text: Aug2013
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